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11143433 = 72277821
BaseRepresentation
bin101010100000…
…100100001001
3202222010220202
4222200210021
510323042213
61034501545
7163501100
oct52404411
922863822
1011143433
116321254
1238948b5
132402162
1416a1037
15ea1b58
hexaa0909

11143433 has 12 divisors (see below), whose sum is σ = 13025412. Its totient is φ = 9505440.

The previous prime is 11143427. The next prime is 11143463. The reversal of 11143433 is 33434111.

It can be written as a sum of positive squares in 2 ways, for example, as 2458624 + 8684809 = 1568^2 + 2947^2 .

It is not a de Polignac number, because 11143433 - 24 = 11143417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11143463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13163 + ... + 13983.

It is an arithmetic number, because the mean of its divisors is an integer number (1085451).

Almost surely, 211143433 is an apocalyptic number.

It is an amenable number.

11143433 is a deficient number, since it is larger than the sum of its proper divisors (1881979).

11143433 is an equidigital number, since it uses as much as digits as its factorization.

11143433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 1105 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 11143433 is about 3338.1780959080. The cubic root of 11143433 is about 223.3604805989.

Adding to 11143433 its reverse (33434111), we get a palindrome (44577544).

The spelling of 11143433 in words is "eleven million, one hundred forty-three thousand, four hundred thirty-three".

Divisors: 1 7 49 277 821 1939 5747 13573 40229 227417 1591919 11143433